4. Names and Functions of Parts
Express5800/R120d-2E User’s Guide
44
Chapter 1 General Description
4.7
Status Indicators
This section explains the indication and meanings of the server LEDs.
4.7.1
POWER LED (
)
POWER LED lights green when the server is on. The light turns off when power is not being supplied to the
server. The POWER LED lights amber until the server becomes ready to power on after power cord is
connected to the server.
POWER LED pattern
Explanation
On (green)
The server is on normally.
On (amber)
BMC is being initialized.
When the power cord is connected, the LED goes on amber for
approximately 40 seconds.
Do not power on the server while the LED is lit amber.
Off
The server is off-powered.
The server is in halt status.
4.7.2
STATUS LED (
)
While hardware is operating normally, STATUS LED lights green. STATUS LED is off or lights/flashes
amber if there is a problem with hardware.
The following table lists STATUS LED patterns, their explanation and solution.
Tips
You can reference error logs to check the causes of failures by using NEC
ESMPRO.
STATUS LED pattern
Explanation
Solution
On (green)
Normal state
−
Memory is in a degraded state
An uncorrectable memory error has often
occurred.
Operating while CPU error is detected
Flashing (green)
In redundant power configuration, power is not
supplied to either of power unit.
Identify the device in degraded state by using the BIOS
setup utility
SETUP
, and replace it as soon as possible.
The power is off.
Turn on the server.
POST is in progress.
Wait for a while. STATUS LED will turn green after POST
completes.
Watchdog timer expired.
An uncorrectable error in memory is detected.
Turn the power off and then turn it on. If the POST screen
displays any error message, take notes of the message,
and contact your sales representative.
Off
Memory dump is being requested.
(e.g. when DUMP switch NMI is pressed)
Note:
It remains green if the dump is
caused by software.
Wait until the memory dump is completed.
